update maven plugins

pom.xml

@@ -137,7 +137,7 @@
 		<plugins>
 			<plugin>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<version>3.7.0</version>
+				<version>3.8.0</version>
 				<configuration>
 					<source>${maven.compiler.source}</source>
 					<target>${maven.compiler.target}</target>
@@ -159,7 +159,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-war-plugin</artifactId>
-				<version>3.2.0</version>
+				<version>3.2.2</version>
 				<configuration>
 					<webResources>
 						<resource>
@@ -170,7 +170,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-dependency-plugin</artifactId>
-				<version>3.1.0</version>
+				<version>3.1.1</version>
 				<executions>
 					<execution>
 						<id>unpack-provided</id>
@@ -190,7 +190,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-surefire-plugin</artifactId>
-				<version>2.19.1</version>
+				<version>2.22.1</version>
 				<configuration>
 					<includes>
 						<include>${test.include.path}</include>
@@ -218,7 +218,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-javadoc-plugin</artifactId>
-				<version>3.0.0</version>
+				<version>3.0.1</version>
 				<configuration>
 					<encoding>UTF-8</encoding>
 					<docencoding>UTF-8</docencoding>
@@ -231,7 +231,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-jxr-plugin</artifactId>
-				<version>2.5</version>
+				<version>3.0.0</version>
 				<configuration>
 					<docTitle>&lt;a href="http://fess.codelibs.org/" target="_blank"&gt;Enterprise Search Server: Fess Reference&lt;/a&gt;</docTitle>
 					<windowTitle>Open Source Enterprise Search: Fess Source Code Reference</windowTitle>
@@ -336,7 +336,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-resources-plugin</artifactId>
-				<version>3.0.2</version>
+				<version>3.1.0</version>
 				<executions>
 					<execution>
 						<id>copy-resources-deb</id>